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Nunc non fermentum ante. Phasellus congue, urna sit amet cursus porttitor, mauris arcu interdum urna, a bibendum turpis risus a neque.       



Paint containing lead pigment reacts to it's exposure to sunlight. The color-fastness is so minimal that it's possible to make photograms or print photo negatives on this material. Fixation of these exposures is a problem but also a subject for further research.